Adding support for VSyncProvider to the software drawing path

content/browser/aura/software_browser_compositor_output_surface.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_BROWSER_AURA_SOFTWARE_OUTPUT_SURFACE_H_
-#define CONTENT_BROWSER_AURA_SOFTWARE_OUTPUT_SURFACE_H_
+#ifndef CONTENT_BROWSER_AURA_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
+#define CONTENT_BROWSER_AURA_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
 
-#include "cc/output/output_surface.h"
+#include "base/memory/weak_ptr.h"
+#include "content/browser/aura/browser_compositor_output_surface.h"
+#include "content/common/content_export.h"
+#include "ui/compositor/compositor.h"
 
-namespace cc { class SoftwareOutputDevice; }
+namespace base {
+class MessageLoopProxy;
+}
+
+namespace cc {
+class SoftwareOutputDevice;
+}
 
 namespace content {
 
-// TODO(danakj): Inherit from BrowserCompositorOutputSurface to share stuff like
-// reflectors, when we split the GL-specific stuff out of the class.
-class SoftwareBrowserCompositorOutputSurface : public cc::OutputSurface {
+class BrowserCompositorOutputSurfaceProxy;
+
+class CONTENT_EXPORT SoftwareBrowserCompositorOutputSurface
+    : public BrowserCompositorOutputSurface {
  public:
-  static scoped_ptr<SoftwareBrowserCompositorOutputSurface> Create(
-      scoped_ptr<cc::SoftwareOutputDevice> software_device) {
-    return make_scoped_ptr(
-        new SoftwareBrowserCompositorOutputSurface(software_device.Pass()));
-  }
+  SoftwareBrowserCompositorOutputSurface(
+      scoped_refptr<BrowserCompositorOutputSurfaceProxy> surface_proxy,
+      scoped_ptr<cc::SoftwareOutputDevice> software_device,
+      int surface_id,
+      IDMap<BrowserCompositorOutputSurface>* output_surface_map,
+      base::MessageLoopProxy* compositor_message_loop,
+      base::WeakPtr<ui::Compositor> compositor);
+
+  virtual ~SoftwareBrowserCompositorOutputSurface();
 
  private:
-  explicit SoftwareBrowserCompositorOutputSurface(
-      scoped_ptr<cc::SoftwareOutputDevice> software_device);
+  virtual void SwapBuffers(cc::CompositorFrame* frame) OVERRIDE;
 
-  virtual void SwapBuffers(cc::CompositorFrame* frame) OVERRIDE;
+  // On the software path we need to explicitly call the proxy to update the
+  // VSync parameters.
+  scoped_refptr<BrowserCompositorOutputSurfaceProxy> output_surface_proxy_;
+
+  DISALLOW_COPY_AND_ASSIGN(SoftwareBrowserCompositorOutputSurface);
 };
 
 }  // namespace content
 
-#endif  // CONTENT_BROWSER_AURA_SOFTWARE_OUTPUT_SURFACE_H_
+#endif  // CONTENT_BROWSER_AURA_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_